Question

express -4/9 this number as rational number with denominator 81​

Answer 1

Answer:

Step-by-step explanation:

-4/9 = (-4×9)/(9×9) = -32/81

Answer 2

multiply the fraction by 9 on both denominator and numerator



-4/9 × 9/9

= -36/81

since -36 and 81 are in form of p/q where p and q are Integer and q≠0 .. it is rational